Size chart = fit foot length (cm):Size 35 = 22.5 cmSize 36 = 23 cm, Size 37 = 23.5 cm, Size 38 = 24.0 cm,Size 39 = 24.5 cm, Size 40 = 25 cm, Size 41 = 25.5 cm, Size 42 = 26 cm, Size 43 = 26.5 cm, Size 44 = 27 cm, Size 45 = 27.5 cm, Size 46 = 28 cm, Size 47 = 28.5 cm, Note: Please measure the length of your feet, e.g. if your feet are 25.3cm, please select size 41. Measurement: Place your heel against a vertical wall, use a marker pen to draw the position of your toe farthest from the wall, and then use a ruler to measure the length of your foot. Note: Please measure the length of your foot, for example, if your foot is 25.3 cm, choose a size 41. Measure: Place your heel against a vertical wall, use a marker pen to draw the farthest point of your toes from the wall, and measure the length of your foot with a ruler.